Young adults ages 18 to 25 have the highest percentage (5%) of cannabis use disorder (CUD) among all age groups, and are the least likely to receive treatment compared with other age groups. Because this population is in need of creative approaches for treatment engagement, we tested Peer Network Counseling-txt (PNC-txt), a 4-week, automated text-delivered cannabis treatment that focuses on close peer relations with 96 treatment seeking young adults. Participants meeting CUD criteria were randomized to PNC-txt, or assessment only control condition and followed for 3-months. At 3-months, the PNC-txt group reduced number of heavy cannabis-use days and relationship problems due to cannabis use compared with controls. Subgroup analyses were conducted with cases having more and fewer CUD symptoms than the full sample. For cases with fewer symptoms, but not for those with more, PNC-txt reduced past 30-day use, urges to use, memory problems, and relationship problems due to cannabis use compared with controls. Treatment satisfaction data from the full sample indicated that participants thought the intervention texts helped them reduce or manage their cannabis use and increased their understanding of the negative relational effects associated with ongoing cannabis use. Findings provide evidence of the efficacy of PNC-txt in treating CUD in young adults, support clinically targeting peer relations, and suggest that PNC-txt may be most helpful for those with mild to moderate CUD severity.
Adolescents with depression disorders have higher rates of substance use. In order to advance contextually relevant mental health interventions, basic research is needed to test social ecological mechanisms hypothesized to influence adolescent depression and substance use. Accordingly, we conducted growth curve modeling with a sample of 248 urban adolescents to determine if depression's effect on substance use was dependent upon peer network health (sum of peer risk and protective behaviors) and activity space risk (likelihood of high-risk behaviors at routine locations). Results showed that peer network health moderated the effects of depression on substance use, but this effect was not altered by activity space risk. These findings suggest the importance of peer network health relative to depression and substance use, particularly for young adolescents.
Using cannabis to reduce psychological and physical distress, referred to as self-medication, is a significant risk factor for cannabis use disorder. To better understand this high-risk behavior, a sample of 290 young adults (ages 18–25; 45.6% female) were recruited from two U.S. universities in January and February of 2020 to complete a survey about their cannabis use and self-medication. Results: seventy-six percent endorsed using cannabis to reduce problems such as anxiety, sleep, depression, pain, loneliness, social discomfort, and concentration. When predicting reasons for self-medication with cannabis, logistic regression models showed that lower CUDIT-R scores, experiencing withdrawal, living in a state where cannabis was illegal, and being female were all associated with higher rates of self-medication. Withdrawal symptoms were tested to predict self-medication with cannabis, and only insomnia and loss of appetite were significant predictors. To further explore why young adults self-medicate, each of the original predictors were regressed on seven specified reasons for self-medication. Young adults experiencing withdrawal were more likely to self-medicate for pain. Participants living where cannabis is legal were less likely to self-medicate for anxiety and depression. Living where cannabis is illegal also significantly predicted self-medicating for social discomfort—though the overall model predicting social discomfort was statistically non-significant. Finally, female participants were more likely to self-medicate for anxiety. These results suggest widespread self-medication among young adults with likely CUD and underscore the complexity of their cannabis use. The findings have implications for understanding why young adults use cannabis in relation to psychological and physical distress and for accurately treating young adults with cannabis use disorder.
Background: Research has shown that medications, especially opioid agonist treatments, are an effective way to treat opioid use disorder (OUD); however, negative attitudes held by health professionals contribute to their underutilization. Methods: A 23-year review of studies that examined health professionals’ attitudes toward medications for OUD (MOUD) was conducted to describe the current state of knowledge and to inform future research and interventions. Results: Studies examined attitudes toward the use of methadone, buprenorphine, and naltrexone among various types of health professionals: prescribers, non-prescribing clinicians, pharmacists, and administrators. The characteristics and findings of the included studies were reviewed and synthesized. Findings indicate that attitudes toward MOUD affect access and utilization by influencing prescribing practices, referrals, and adoption within programs. Exposure, knowledge, and treatment orientation were found to be important factors related to attitudes toward MOUD across multiple studies of various types of health professionals. Conclusions: To increase access and utilization, continued efforts are needed to increase positive attitudes toward MOUD among various types of health professionals. Findings indicate that interventions should seek to increase knowledge about MOUD and foster interprofessional communication related to MOUD, especially between prescribers and behavioral health providers.
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